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Relevant Information:

Dorsal spines (total): 1; Dorsal
soft rays (total): 4 - 5; Anal soft rays: 8 - 11; Vertebrae: 31
- 35. Can be differentiated from its congeners in the following
characters: lacking distinct serrae on posterior edge of pectoral
spine; adipose fin with moderately long base, its length 13.4-16.7
%SL; eye diameter 7-10 %HL; length of nasal barbel 38-57 %HL;
tip of snout noticeably in front of apex of lower jaw; large anterior
and posterior nostrils present, closely situated together and
separated only by base of nasal barbel; caudal fin with 7+7-8
rays; branchiostegal rays 6-7; a light yellow snout with a sharp
contrasted edge; color pattern consisting of dorsal and ventral
light yellow patches on the body that sometimes coalesce at mid-height
of the flank. Pseudobagarius inermis has been found in
various habitats from swift creek to riffles in streams and rapids
in large rivers. All habitats had in common a stony (gravel to
boulder) substrate and relatively swift current. In most of them
the water was clear in the dry season.